the cold-drawn aisi 1040 steel bar shown in the figure is subjected to a completely reversed axial load fluctuating between 25 kn in compression to 25 kn in tension. estimate the fatigue factor of safety based on achieving infinite life and the yielding factor of safety. if infinite life is not predicted, estimate the number of cycles to failure. what is the number of cycles to failure for this part? the value of the number of cycles is .
